From ecfc2bda7aafc5c87b69a3d7a1fc1016dd21d5a7 Mon Sep 17 00:00:00 2001 From: zhouchuangao Date: Tue, 4 May 2021 18:40:00 -0700 Subject: mm/zsmalloc: use BUG_ON instead of if condition followed by BUG. It can be optimized at compile time. Link: https://lkml.kernel.org/r/1616727798-9110-1-git-send-email-zhouchuangao@vivo.com Signed-off-by: zhouchuangao Cc: Minchan Kim Cc: Sergey Senozhatsky Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/zsmalloc.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'mm/zsmalloc.c') diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 30c358b72025..58697f7a43f8 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -1987,8 +1987,7 @@ static int zs_page_migrate(struct address_space *mapping, struct page *newpage, head = obj_to_head(page, addr); if (head & OBJ_ALLOCATED_TAG) { handle = head & ~OBJ_ALLOCATED_TAG; - if (!testpin_tag(handle)) - BUG(); + BUG_ON(!testpin_tag(handle)); old_obj = handle_to_obj(handle); obj_to_location(old_obj, &dummy, &obj_idx); @@ -2035,8 +2034,7 @@ unpin_objects: head = obj_to_head(page, addr); if (head & OBJ_ALLOCATED_TAG) { handle = head & ~OBJ_ALLOCATED_TAG; - if (!testpin_tag(handle)) - BUG(); + BUG_ON(!testpin_tag(handle)); unpin_tag(handle); } } -- cgit